Famous by Association

Some people have to act, sing or dance their way to stardom, while others have the luxury of just dating into it. Having a secret affair, a very public marriage or a popular sibling -- even being an awkward houseguest -- can earn someone celebrity status. Such is the case with Elisabetta Canalis, who landed a spot in this season of "Dancing With the Stars" by simply being George Clooney's hot ex-girlfriend. Scroll through to see the other household names who became famous by association.

Some people have to act, sing or dance their way to stardom, while others have the luxury of just dating into it. Having a secret affair, a very public marriage or a popular sibling -- even being an awkward houseguest -- can earn someone celebrity status. Such is the case with Elisabetta Canalis, who landed a spot in this season of "Dancing With the Stars" by simply being George Clooney's hot ex-girlfriend. Scroll through to see the other household names who became famous by association.